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  1. Duramax Seventh Generation: 2020+ (L5P)
    I tow 5th wheels & travel trailers from the manufacturer to the dealerships. I’m looking at getting a new truck and dual alternators is an option on some. I keep a cooler in the truck that plugs into my 12volt to stay cold. The cooler can drain the battery overnight. Would dual alternators help...
  2. Towing
    Hey all. Finally pick up our new trailer next weekend. Put four lithium batteries in the trailer. Have heard that charging lithiums by hotwire could/would damage alternators. Any thoughts to this? Will ask more questions at trailer dealer, but expect stupid looks.....
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